Home / 156,445.13-234,589.99-49,815.17

Finding the Fourth Proportional to 156,445.13, 234,589.99 and 49,815.17

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Solution

The fourth proportional to 156,445.13, 234,589.99 and 49,815.17 is: 74,698.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,445.13 : 234,589.99 = 49,815.17 : x
  2. Step 2: Convert to fraction form
    156,445.13/234,589.99 = 49,815.17/x
  3. Step 3: Cross multiply
    156,445.13x = 234,589.99 × 49,815.17
  4. Step 4: Simplify right side
    156,445.13x = 11,686,139,983.07
  5. Step 5: Solve for x
    x = 11,686,139,983.07/156,445.13
  6. Step 6: Final answer
    x = 74,698.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.